322 lines
11 KiB
JavaScript
322 lines
11 KiB
JavaScript
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var __defProp = Object.defineProperty;
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var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
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var __getOwnPropNames = Object.getOwnPropertyNames;
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var __hasOwnProp = Object.prototype.hasOwnProperty;
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var __name = (target, value) => __defProp(target, "name", { value, configurable: true });
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var __export = (target, all) => {
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for (var name in all)
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__defProp(target, name, { get: all[name], enumerable: true });
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};
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var __copyProps = (to, from, except, desc) => {
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if (from && typeof from === "object" || typeof from === "function") {
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for (let key of __getOwnPropNames(from))
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if (!__hasOwnProp.call(to, key) && key !== except)
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__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
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}
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return to;
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};
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var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
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// src/index.ts
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var src_exports = {};
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__export(src_exports, {
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constructStack: () => constructStack
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});
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module.exports = __toCommonJS(src_exports);
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// src/MiddlewareStack.ts
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var getAllAliases = /* @__PURE__ */ __name((name, aliases) => {
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const _aliases = [];
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if (name) {
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_aliases.push(name);
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}
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if (aliases) {
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for (const alias of aliases) {
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_aliases.push(alias);
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}
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}
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return _aliases;
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}, "getAllAliases");
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var getMiddlewareNameWithAliases = /* @__PURE__ */ __name((name, aliases) => {
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return `${name || "anonymous"}${aliases && aliases.length > 0 ? ` (a.k.a. ${aliases.join(",")})` : ""}`;
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}, "getMiddlewareNameWithAliases");
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var constructStack = /* @__PURE__ */ __name(() => {
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let absoluteEntries = [];
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let relativeEntries = [];
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let identifyOnResolve = false;
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const entriesNameSet = /* @__PURE__ */ new Set();
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const sort = /* @__PURE__ */ __name((entries) => entries.sort(
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(a, b) => stepWeights[b.step] - stepWeights[a.step] || priorityWeights[b.priority || "normal"] - priorityWeights[a.priority || "normal"]
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), "sort");
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const removeByName = /* @__PURE__ */ __name((toRemove) => {
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let isRemoved = false;
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const filterCb = /* @__PURE__ */ __name((entry) => {
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const aliases = getAllAliases(entry.name, entry.aliases);
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if (aliases.includes(toRemove)) {
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isRemoved = true;
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for (const alias of aliases) {
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entriesNameSet.delete(alias);
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}
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return false;
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}
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return true;
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}, "filterCb");
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absoluteEntries = absoluteEntries.filter(filterCb);
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relativeEntries = relativeEntries.filter(filterCb);
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return isRemoved;
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}, "removeByName");
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const removeByReference = /* @__PURE__ */ __name((toRemove) => {
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let isRemoved = false;
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const filterCb = /* @__PURE__ */ __name((entry) => {
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if (entry.middleware === toRemove) {
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isRemoved = true;
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for (const alias of getAllAliases(entry.name, entry.aliases)) {
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entriesNameSet.delete(alias);
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}
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return false;
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}
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return true;
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}, "filterCb");
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absoluteEntries = absoluteEntries.filter(filterCb);
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relativeEntries = relativeEntries.filter(filterCb);
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return isRemoved;
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}, "removeByReference");
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const cloneTo = /* @__PURE__ */ __name((toStack) => {
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var _a;
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absoluteEntries.forEach((entry) => {
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toStack.add(entry.middleware, { ...entry });
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});
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relativeEntries.forEach((entry) => {
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toStack.addRelativeTo(entry.middleware, { ...entry });
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});
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(_a = toStack.identifyOnResolve) == null ? void 0 : _a.call(toStack, stack.identifyOnResolve());
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return toStack;
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}, "cloneTo");
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const expandRelativeMiddlewareList = /* @__PURE__ */ __name((from) => {
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const expandedMiddlewareList = [];
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from.before.forEach((entry) => {
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if (entry.before.length === 0 && entry.after.length === 0) {
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expandedMiddlewareList.push(entry);
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} else {
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expandedMiddlewareList.push(...expandRelativeMiddlewareList(entry));
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}
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});
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expandedMiddlewareList.push(from);
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from.after.reverse().forEach((entry) => {
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if (entry.before.length === 0 && entry.after.length === 0) {
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expandedMiddlewareList.push(entry);
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} else {
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expandedMiddlewareList.push(...expandRelativeMiddlewareList(entry));
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}
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});
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return expandedMiddlewareList;
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}, "expandRelativeMiddlewareList");
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const getMiddlewareList = /* @__PURE__ */ __name((debug = false) => {
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const normalizedAbsoluteEntries = [];
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const normalizedRelativeEntries = [];
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const normalizedEntriesNameMap = {};
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absoluteEntries.forEach((entry) => {
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const normalizedEntry = {
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...entry,
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before: [],
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after: []
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};
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for (const alias of getAllAliases(normalizedEntry.name, normalizedEntry.aliases)) {
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normalizedEntriesNameMap[alias] = normalizedEntry;
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}
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normalizedAbsoluteEntries.push(normalizedEntry);
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});
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relativeEntries.forEach((entry) => {
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const normalizedEntry = {
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...entry,
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before: [],
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after: []
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};
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for (const alias of getAllAliases(normalizedEntry.name, normalizedEntry.aliases)) {
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normalizedEntriesNameMap[alias] = normalizedEntry;
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}
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normalizedRelativeEntries.push(normalizedEntry);
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});
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normalizedRelativeEntries.forEach((entry) => {
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if (entry.toMiddleware) {
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const toMiddleware = normalizedEntriesNameMap[entry.toMiddleware];
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if (toMiddleware === void 0) {
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if (debug) {
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return;
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}
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throw new Error(
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`${entry.toMiddleware} is not found when adding ${getMiddlewareNameWithAliases(entry.name, entry.aliases)} middleware ${entry.relation} ${entry.toMiddleware}`
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);
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}
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if (entry.relation === "after") {
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toMiddleware.after.push(entry);
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}
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if (entry.relation === "before") {
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toMiddleware.before.push(entry);
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}
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}
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});
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const mainChain = sort(normalizedAbsoluteEntries).map(expandRelativeMiddlewareList).reduce(
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(wholeList, expandedMiddlewareList) => {
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wholeList.push(...expandedMiddlewareList);
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return wholeList;
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},
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[]
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);
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return mainChain;
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}, "getMiddlewareList");
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const stack = {
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add: (middleware, options = {}) => {
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const { name, override, aliases: _aliases } = options;
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const entry = {
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step: "initialize",
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priority: "normal",
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middleware,
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...options
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};
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const aliases = getAllAliases(name, _aliases);
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if (aliases.length > 0) {
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if (aliases.some((alias) => entriesNameSet.has(alias))) {
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if (!override)
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throw new Error(`Duplicate middleware name '${getMiddlewareNameWithAliases(name, _aliases)}'`);
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for (const alias of aliases) {
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const toOverrideIndex = absoluteEntries.findIndex(
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(entry2) => {
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var _a;
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return entry2.name === alias || ((_a = entry2.aliases) == null ? void 0 : _a.some((a) => a === alias));
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}
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);
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if (toOverrideIndex === -1) {
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continue;
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}
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const toOverride = absoluteEntries[toOverrideIndex];
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if (toOverride.step !== entry.step || entry.priority !== toOverride.priority) {
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throw new Error(
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`"${getMiddlewareNameWithAliases(toOverride.name, toOverride.aliases)}" middleware with ${toOverride.priority} priority in ${toOverride.step} step cannot be overridden by "${getMiddlewareNameWithAliases(name, _aliases)}" middleware with ${entry.priority} priority in ${entry.step} step.`
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);
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}
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absoluteEntries.splice(toOverrideIndex, 1);
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}
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}
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for (const alias of aliases) {
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entriesNameSet.add(alias);
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}
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}
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absoluteEntries.push(entry);
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},
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addRelativeTo: (middleware, options) => {
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const { name, override, aliases: _aliases } = options;
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const entry = {
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middleware,
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...options
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};
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const aliases = getAllAliases(name, _aliases);
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if (aliases.length > 0) {
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if (aliases.some((alias) => entriesNameSet.has(alias))) {
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if (!override)
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throw new Error(`Duplicate middleware name '${getMiddlewareNameWithAliases(name, _aliases)}'`);
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for (const alias of aliases) {
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const toOverrideIndex = relativeEntries.findIndex(
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(entry2) => {
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var _a;
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return entry2.name === alias || ((_a = entry2.aliases) == null ? void 0 : _a.some((a) => a === alias));
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}
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);
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if (toOverrideIndex === -1) {
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continue;
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}
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const toOverride = relativeEntries[toOverrideIndex];
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if (toOverride.toMiddleware !== entry.toMiddleware || toOverride.relation !== entry.relation) {
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throw new Error(
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`"${getMiddlewareNameWithAliases(toOverride.name, toOverride.aliases)}" middleware ${toOverride.relation} "${toOverride.toMiddleware}" middleware cannot be overridden by "${getMiddlewareNameWithAliases(name, _aliases)}" middleware ${entry.relation} "${entry.toMiddleware}" middleware.`
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);
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}
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relativeEntries.splice(toOverrideIndex, 1);
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}
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}
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for (const alias of aliases) {
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entriesNameSet.add(alias);
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}
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}
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relativeEntries.push(entry);
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},
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clone: () => cloneTo(constructStack()),
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use: (plugin) => {
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plugin.applyToStack(stack);
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},
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remove: (toRemove) => {
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if (typeof toRemove === "string")
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return removeByName(toRemove);
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else
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return removeByReference(toRemove);
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},
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removeByTag: (toRemove) => {
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let isRemoved = false;
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const filterCb = /* @__PURE__ */ __name((entry) => {
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const { tags, name, aliases: _aliases } = entry;
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if (tags && tags.includes(toRemove)) {
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const aliases = getAllAliases(name, _aliases);
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for (const alias of aliases) {
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entriesNameSet.delete(alias);
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}
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isRemoved = true;
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return false;
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}
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return true;
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}, "filterCb");
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absoluteEntries = absoluteEntries.filter(filterCb);
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relativeEntries = relativeEntries.filter(filterCb);
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return isRemoved;
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},
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concat: (from) => {
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var _a;
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const cloned = cloneTo(constructStack());
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cloned.use(from);
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cloned.identifyOnResolve(
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identifyOnResolve || cloned.identifyOnResolve() || (((_a = from.identifyOnResolve) == null ? void 0 : _a.call(from)) ?? false)
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);
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return cloned;
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},
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applyToStack: cloneTo,
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identify: () => {
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return getMiddlewareList(true).map((mw) => {
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const step = mw.step ?? mw.relation + " " + mw.toMiddleware;
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return getMiddlewareNameWithAliases(mw.name, mw.aliases) + " - " + step;
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});
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},
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identifyOnResolve(toggle) {
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if (typeof toggle === "boolean")
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identifyOnResolve = toggle;
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return identifyOnResolve;
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},
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resolve: (handler, context) => {
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for (const middleware of getMiddlewareList().map((entry) => entry.middleware).reverse()) {
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handler = middleware(handler, context);
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}
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if (identifyOnResolve) {
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console.log(stack.identify());
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}
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return handler;
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}
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};
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return stack;
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}, "constructStack");
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var stepWeights = {
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initialize: 5,
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serialize: 4,
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build: 3,
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finalizeRequest: 2,
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deserialize: 1
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};
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var priorityWeights = {
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high: 3,
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normal: 2,
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low: 1
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};
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// Annotate the CommonJS export names for ESM import in node:
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0 && (module.exports = {
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constructStack
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});
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